<?php
include_once "../function/common.php";
$a=array(111,"222",'name'=>'张三','age'=>18,1000=>333,"444");
$a2=['address'=>'zz','school'=>'水院'];
p($a,$a2,$a[1],$a2['address']);
//数组中key值的类型转换
$array=array(
    1=>'a',
    '1'=>'b',
    1.5=>'c',
    -1=>'d',
    '01'=>'e',
    '1.5'=>'f',
    true=>'g',
    false=>'h',
    ''=>'i',
    null=>'j',
    'k',
    2=>'1',
);
p($array);